Lightening Cream: Aqua, Octyldodecanol, Ammonium Hydroxide, Xanthan Gum; Developer: Aqua, Hydrogen Peroxide, Isopropyl Myristate; Blonde Booster: Potassium Persulfate, Sodium Silicate; Platinum Hair Mask: Aqua, Cetearyl Alcohol, PEG-8, Isopropyl Myristate. Contains hydrogen peroxide and persulfates.